<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
    <title>下拉列表操作</title>
</head>
    <body>
        编程语⾔:
        <select>
            <option>Java</option>
            <option>C++</option>
            <option value="Python">Python</option>
            <option>HTML</option>
            <option>JavaScript</option>
            </select>
    </body>
</html>